Re: O(1) scheduler gives big boost to tbench 192

From: Jussi Laako (jussi.laako@kolumbus.fi)
Date: Wed May 08 2002 - 10:34:26 EST

Next message: Serguei I. Ivantsov: "Re: Measure time"
Previous message: Dave Engebretsen: "Re: Memory Barrier Definitions"
Next in thread: Robert Love: "Re: O(1) scheduler gives big boost to tbench 192"
Reply: Robert Love: "Re: O(1) scheduler gives big boost to tbench 192"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Mike Kravetz wrote:
>
> I'd really like to know if there are any real workloads that
> benefited from this feature, rather than just some benchmark.

Maybe this is the reason why O(1) scheduler has big latencies with
pthread_cond_*() functions which original scheduler doesn't have?
I think I tracked the problem down to try_to_wake_up(), but I was unable to
fix it.

- Jussi Laako

-- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Next message: Serguei I. Ivantsov: "Re: Measure time"
Previous message: Dave Engebretsen: "Re: Memory Barrier Definitions"
Next in thread: Robert Love: "Re: O(1) scheduler gives big boost to tbench 192"
Reply: Robert Love: "Re: O(1) scheduler gives big boost to tbench 192"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Tue May 14 2002 - 12:00:09 EST